Back and seat for a chair



FIG. 1 is a perspective view showing the right side, top and front of a back and seat for a chair which forms my new design;

FIG. 2 is a perspective view showing the left side, top and rear thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The short broken lines in the figures are understood to represent stitching.

The long broken lines represent environment that forms no part of the claimed design. 

CLAIM The ornamental design for a back and seat for a chair, as shown and described. 